package com.heima.article.service.impl;

import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.service.IService;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.heima.article.mapper.ApAritcleMapper;
import com.heima.article.mapper.ApArticleConfigMapper;
import com.heima.article.mapper.ApArticleContentMapper;
import com.heima.article.service.ApArticleServise;
import com.heima.article.service.ArticleFreemarkerService;
import com.heima.common.constans.ArticleConstants;
import com.heima.model.article.dtos.ArticleDto;
import com.heima.model.article.dtos.ArticleHomeDto;
import com.heima.model.article.pojos.ApArticle;
import com.heima.model.article.pojos.ApArticleConfig;
import com.heima.model.article.pojos.ApArticleContent;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.util.Date;
import java.util.List;


@Service
@Transactional
@Slf4j
public class ApArticleServiceImpl extends ServiceImpl<ApAritcleMapper,ApArticle> implements ApArticleServise{



    @Autowired
    private ApAritcleMapper apAritcleMapper;
    private  final static short MAX_ARTICLE_SIZE = 50;
    /**
     * 加载
     * @param dto
     * @param type
     * @return
     */
    @Override
    public ResponseResult load(ArticleHomeDto dto, Short type) {
        //校验参数

        //分页条数
        Integer size = dto.getSize();
        if (size == null || size == 0) {
            size = 10;
        }
       size= Math.min(size,MAX_ARTICLE_SIZE);
        //校验参数--TYPE
        if (!type.equals(ArticleConstants.LOADTYPE_LOAD_MORE) && !type.equals(ArticleConstants.LOADTYPE_LOAD_NEW)) {
            type = ArticleConstants.LOADTYPE_LOAD_MORE;
        }
        //频道校验
        if (StringUtils.isBlank(dto.getTag())){
            dto.setTag(ArticleConstants.DEFAULT_TAG);
        }
        //时间校验
        if (dto.getMaxBehotTime()==null)dto.setMaxBehotTime(new Date());
        if (dto.getMinBehotTime()==null)dto.setMinBehotTime(new Date());

        //查询
        List<ApArticle> apArticles = apAritcleMapper.loadArticleList(dto, type);
//返回
        return ResponseResult.okResult(apArticles);
    }
        @Autowired
        private ApArticleConfigMapper apArticleConfigMapper;
    @Autowired
    private ApArticleContentMapper apArticleContentMapper;

    @Autowired
    private ArticleFreemarkerService articleFreemarkerService;
    @Override
    public ResponseResult saveArticle(ArticleDto dto) {

        //检查参数
        if (dto==null){
            return ResponseResult.errorResult(AppHttpCodeEnum.PARAM_INVALID);
        }
        ApArticle apArticle = new ApArticle();
        BeanUtils.copyProperties(dto,apArticle);
        // 判断是否存在id
        if (dto.getId()==null){
            // 1不存在id 保存 文章配置 文章内容
            //保存文章
            save(apArticle);
            //保存配置
            ApArticleConfig apArticleConfig = new ApArticleConfig(apArticle.getId());
            apArticleConfigMapper.insert(apArticleConfig);

            //保存文章内容
            ApArticleContent apArticleContent = new ApArticleContent();
            apArticleContent.setArticleId(apArticle.getId());
            apArticleContent.setContent(dto.getContent());
            apArticleContentMapper.insert(apArticleContent);
        }else {
            // 存在id 修改 文章 文章内容
            updateById(apArticle);
//            修改文章内容
            ApArticleContent apArticleContent = apArticleContentMapper.selectOne(
                    Wrappers.<ApArticleContent>lambdaQuery().eq(
                            ApArticleContent::getArticleId,
                            dto.getId()));
            apArticleContent.setContent(dto.getContent());
            apArticleContentMapper.updateById(apArticleContent);
        }


        articleFreemarkerService.buildArticleToMinIO(apArticle,dto.getContent());


        // 结果返回  文章id




        return ResponseResult.okResult(apArticle.getId());
    }
}
